Darknet - Hacking Tools, Hacker News & Cyber Security Follow thermoptic – Chrome-perfect HTTP Fingerprint Cloaking for Red Team Web Ops thermoptic is a stealth proxy that makes curl and other clients look identical to Chrome across TCP, TLS and HTTP layers, bypassing JA3/JA4+ detection. https://www.darknet.org.uk/2025/09/thermoptic-chrome-perfect-http-fingerprint-cloaking-for-red-team-web-ops/ darknet.org.uk